New York - Scientists have for the first time linked the brains of a human and a rat, enabling the man to use just his thoughts to wiggle the rodent's tail. This is the first case of a brain-to-brain interface between species, and the first example of a noninvasive brain-to-brain interface, researchers claimed. Earlier this year, scientists had linked together the brains of two rats.This first known instance of a brain-to-brain interface apparently helped the rodents share data to accomplish certain tasks, even across intercontinental distances, LiveScience reported. In the latest experiment, researchers from Harvard Medical School employed noninvasive techniques...